Unless you tested every day, you don't know if you had Covid. Many people don't have symptoms or don't recognise them, which is why it spreads so easily.
Covid is still around, it's killing more people than it was at the start of the pandemic, and also giving millions of people long covid, heart disease, allergies, etc.
China has been cutting them for years, it's not as worrying as it used to be. Once upon a time they held the majority of bonds, but that's no longer the case.
I was a teenager in the eighties. I remember a "jungle" trend (khaki), purple paisley, bottle green, grey with abstract prints, light pink and grey t-shirts with the sleeves cut off and lapis blue. I have NO idea where the idea of "it was all neon" comes from.
Read Nation too. It's Pratchett's best book.